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Tesla Powerwall

Tesla Powerwall is a fully-integrated AC battery system for residential or light commercial use. Its rechargeable lithium-ion battery pack provides energy storage for solar self-consumption, time-based control, and backup.

Powerwall’s electrical interface provides a simple connection to any home or building. Its revolutionary compact design achieves market-leading energy density and is easy to install, enabling owners to quickly realize the benefits of reliable, clean power.

AC Voltage (Nominal): 120/240 V
Feed-In Type: Split Phase
Grid Frequency: 60 Hz
Total Energy: 14 kWh
Usable Energy: 13.5 kWh
Real Power, max continuous: 5 kW (charge and discharge)
Real Power, peak (10 s, off-grid/backup): 7 kW (charge and discharge)
Apparent Power, max continuous: 5.8 kVA (charge and discharge)
Apparent Power, peak (10 s, off-grid/backup): 7.2 kVA (charge and discharge)
Maximum Supply Fault Current: 10 kA
Maximum Output Fault Current: 32 A
Overcurrent Protection Device: 30 A
Imbalance for Split-Phase Loads: 100%
Power Factor Output Range: +/– 1.0 adjustable
Power Factor Range (full-rated power): +/– 0.85
Internal Battery DC Voltage: 50 V
Round Trip Efficiency: 90%
Warranty:
10 years

Dimensions: 1150 mm x 755 mm x 147 mm (45.3 in x 29.6 in x 5.75 in)
Weight: 114 kg (251.3 lbs)
Mounting options: Floor or wall mount

Dimensions and weight differ slightly if manufactured before March 2019. 

Operating Temperature: –20°C to 50°C (–4°F to 122°F)
Recommended Temperature: 0°C to 30°C (32°F to 86°F)
Operating Humidity (RH): Up to 100%, condensing
Storage Conditions: –20°C to 30°C (–4°F to 86°F) | Up to 95% RH, non-condensing | State of Energy (SoE): 25% initial
Maximum Elevation: 3000 m (9843 ft)
Environment: Indoor and outdoor rated
Enclosure Type: NEMA 3R
Ingress Rating: IP67 (Battery & Power Electronics) | IP56 (Wiring Compartment)
Wet Location Rating: Yes
Noise Level: @1m: <40 dBA at 30°C (86°F)

Certifications: UL 1642, UL 1741, UL 1973, UL 9540, IEEE 1547, UN 38.3
Grid Connection: Worldwide Compatibility
Emissions: FCC Part 15 Class B, ICES 003
Environmental: RoHS Directive 2011/65/EU
Seismic: AC156, IEEE 693-2005 (high)

Typical System Layouts